Supporters and opponents of same-sex marriage outside the Supreme Court
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US Supreme Court debates California's gay marriage ban

Supporters and opponents of same-sex marriage have gathered at the US Supreme Court in Washington as it considers a legal challenge brought by two gay couples from California.

The issue has divided America with nine US states allowing same-sex marriage and 38 banning it - although some do allow civil unions.

As Steve Kingstone reports, there were arguments between the antagonists.

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